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Finding the Fourth Proportional to 329,807.48, 455,134.47 and 186,564.47

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Solution

The fourth proportional to 329,807.48, 455,134.47 and 186,564.47 is: 257,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,807.48 : 455,134.47 = 186,564.47 : x
  2. Step 2: Convert to fraction form
    329,807.48/455,134.47 = 186,564.47/x
  3. Step 3: Cross multiply
    329,807.48x = 455,134.47 × 186,564.47
  4. Step 4: Simplify right side
    329,807.48x = 84,911,921,174.28
  5. Step 5: Solve for x
    x = 84,911,921,174.28/329,807.48
  6. Step 6: Final answer
    x = 257,459.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.